The one-year plan is spring, and the spring is pregnant with hope for a good harvest. Early this spring and short, the majority of fruit growers should manage the orchard as early as possible according to the actual conditions of the orchard.
I. Clear Garden
Clear Garden in the spring is a top priority for orchard management and must not be ignored. However, some fruit growers only think of what drugs to play when they mention Qingyuan. In fact, Qingyuan must start from two aspects: the artificial clearing garden and the clearing garden.
Artificial clean gardens must first clean up the weeds, dead branches, fallen leaves, and pests and diseases around the orchard, and then scrape the dry and old cracks on the trunk and main branches, and concentrate them deeply or burn them because these are all pests and diseases. Wintering place. Adopting this measure can effectively reduce the overwintering base number of pests and diseases, greatly reducing the pressure of pest control during the growing season and achieving a multiplier effect.
The second is the clearing of the pharmaceutical garden, and the fruit growers must change the past two clean parks. For the first time, when the bud scales are germinating (mid-March), the branches are dried, mainly for the trunk and main branches, and the concentration of the agent can be doubled. For example: to control cotton, can use 48% chlorpyrifos 500-600 times liquid + 10% Jaguar (imidaclopine soluble liquid) 1000 times; control scale insects, can use 40% to kill phosphorus 500 times liquid +65% imidacloprid 8000- 10000 times liquid. The second time in the inflorescence separation period, the entire tree was sprayed and the concentration of the drug was controlled. The maximum dose of the drug was generally used. For example: to control pests, choose 48% chlorpyrifos 1000-1500 times liquid +10% chrysanthemum (imidacloprid) 1500 times the liquid, the temperature above 25 °C imidacloprid can be replaced with 3% acetamiprid 2000 times.
Second, soil fertilizer management
The management of the soil is mainly to deepen the soil and reapply organic fertilizer to make the soil stronger. The current situation in most orchards is a serious lack of organic fertilizer (soil), a low content of organic matter in the soil, tight granular structure, poorer air permeability, and heavier root diseases. Shallow deep boring in the spring can increase the temperature of the ground, break the soil compaction, enhance soil permeability, and promote root growth.
At this time topdressing should be based on available nitrogen fertilizer, with the phosphorus and potassium fertilizer, trace element fertilizer, microbial fertilizer, organic fertilizer, etc., top dressing should be carried out before flowering, after the flower can be absorbed and used by the tree. There is no basal fertilizer in autumn and winter, Mushi Kebang Sanqin V8 or peptide complex fertilizer 80-120 kg + Mutu soil microbial bacteria 80 kg + organic fertilizer 80-120 kg + granular boron and granular zinc 800-1000 grams each . In autumn and winter, basal fertilizer was used, and each mus of Cochin Sanqin V8 or peptide complex fertilizer 40-60 kg + Yi Da Kang microbial fertilizer 40-60 kg + organic fertilizer 60-80 kg + granular boron and granular zinc 600-800 grams.
The nutrients consumed during the flowering period of fruit trees are mainly the nutrients stored in the tree in the previous year. It is the time when flowering and fruit setting are needed. When the fruit is grown, the growth of young fruit and the growth of new shoots are more sensitive to water and fertilizer. At this time flood irrigation should not be appropriate, to use a small water slip to avoid lowering the temperature, affecting flowering fruit set.
Third, improve the fruit setting rate
The first measure to improve fruit setting is thinning and fruit thinning. The thinning and thinning of fruit must follow three steps: the first step is first sequencing, the number of results to be determined on the single tree is determined first, and the redundant inflorescences are removed. To supply nutrients, but must leave the rosette leaves to achieve the purpose of changing flowers; the second step is to clear the flowers, and to remove the flowers on the left inflorescence, to follow the morning and evening flowers, not only To leave the early flowers or late flowers, to enhance the ability to resist freezing injury during the flowering period; the third step to set fruit, select the fruit shape is correct, can develop into a high-quality fruit to leave, the rest as soon as possible to remove.
In addition, the way to improve fruit setting is to spray boron during the flowering period. Spraying boron during the flowering period can increase pollen activity and promote pollination and fertilization. Boron fertilizer can be used 2000 times oligosaccharide boron, plus 0.014% Guoyun large (Brassicine) 4000 times or Tianda 2116 better. The release of bees or wall bees during the flowering period can also increase the fruit setting rate. For tree species or varieties that are difficult to set fruit, tree ring cutting and ring cutting measures can be carried out at the flowering stage, which is also an effective technique to increase fruit setting rate.
I. Clear Garden
Clear Garden in the spring is a top priority for orchard management and must not be ignored. However, some fruit growers only think of what drugs to play when they mention Qingyuan. In fact, Qingyuan must start from two aspects: the artificial clearing garden and the clearing garden.
Artificial clean gardens must first clean up the weeds, dead branches, fallen leaves, and pests and diseases around the orchard, and then scrape the dry and old cracks on the trunk and main branches, and concentrate them deeply or burn them because these are all pests and diseases. Wintering place. Adopting this measure can effectively reduce the overwintering base number of pests and diseases, greatly reducing the pressure of pest control during the growing season and achieving a multiplier effect.
The second is the clearing of the pharmaceutical garden, and the fruit growers must change the past two clean parks. For the first time, when the bud scales are germinating (mid-March), the branches are dried, mainly for the trunk and main branches, and the concentration of the agent can be doubled. For example: to control cotton, can use 48% chlorpyrifos 500-600 times liquid + 10% Jaguar (imidaclopine soluble liquid) 1000 times; control scale insects, can use 40% to kill phosphorus 500 times liquid +65% imidacloprid 8000- 10000 times liquid. The second time in the inflorescence separation period, the entire tree was sprayed and the concentration of the drug was controlled. The maximum dose of the drug was generally used. For example: to control pests, choose 48% chlorpyrifos 1000-1500 times liquid +10% chrysanthemum (imidacloprid) 1500 times the liquid, the temperature above 25 °C imidacloprid can be replaced with 3% acetamiprid 2000 times.
Second, soil fertilizer management
The management of the soil is mainly to deepen the soil and reapply organic fertilizer to make the soil stronger. The current situation in most orchards is a serious lack of organic fertilizer (soil), a low content of organic matter in the soil, tight granular structure, poorer air permeability, and heavier root diseases. Shallow deep boring in the spring can increase the temperature of the ground, break the soil compaction, enhance soil permeability, and promote root growth.
At this time topdressing should be based on available nitrogen fertilizer, with the phosphorus and potassium fertilizer, trace element fertilizer, microbial fertilizer, organic fertilizer, etc., top dressing should be carried out before flowering, after the flower can be absorbed and used by the tree. There is no basal fertilizer in autumn and winter, Mushi Kebang Sanqin V8 or peptide complex fertilizer 80-120 kg + Mutu soil microbial bacteria 80 kg + organic fertilizer 80-120 kg + granular boron and granular zinc 800-1000 grams each . In autumn and winter, basal fertilizer was used, and each mus of Cochin Sanqin V8 or peptide complex fertilizer 40-60 kg + Yi Da Kang microbial fertilizer 40-60 kg + organic fertilizer 60-80 kg + granular boron and granular zinc 600-800 grams.
The nutrients consumed during the flowering period of fruit trees are mainly the nutrients stored in the tree in the previous year. It is the time when flowering and fruit setting are needed. When the fruit is grown, the growth of young fruit and the growth of new shoots are more sensitive to water and fertilizer. At this time flood irrigation should not be appropriate, to use a small water slip to avoid lowering the temperature, affecting flowering fruit set.
Third, improve the fruit setting rate
The first measure to improve fruit setting is thinning and fruit thinning. The thinning and thinning of fruit must follow three steps: the first step is first sequencing, the number of results to be determined on the single tree is determined first, and the redundant inflorescences are removed. To supply nutrients, but must leave the rosette leaves to achieve the purpose of changing flowers; the second step is to clear the flowers, and to remove the flowers on the left inflorescence, to follow the morning and evening flowers, not only To leave the early flowers or late flowers, to enhance the ability to resist freezing injury during the flowering period; the third step to set fruit, select the fruit shape is correct, can develop into a high-quality fruit to leave, the rest as soon as possible to remove.
In addition, the way to improve fruit setting is to spray boron during the flowering period. Spraying boron during the flowering period can increase pollen activity and promote pollination and fertilization. Boron fertilizer can be used 2000 times oligosaccharide boron, plus 0.014% Guoyun large (Brassicine) 4000 times or Tianda 2116 better. The release of bees or wall bees during the flowering period can also increase the fruit setting rate. For tree species or varieties that are difficult to set fruit, tree ring cutting and ring cutting measures can be carried out at the flowering stage, which is also an effective technique to increase fruit setting rate.
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